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What is a file?
A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has particular "structure" based on its type.
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
what are the overall concepts of deadlock
what is the need-to-know principle? why is it important for a protection system to adhere to this principle?
Demand paging With demand paging, a page is called into memory only when a location on that page is actually indexed during run time. With pre-paging, pages other than the one
Consider the following C program where M, N, K are predefined constants. Assume int is 4 bytes. Suppose this program is run on a machine with 4KB page size and 32 TLB entries. Init
List five services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it would be impossible for user-level programs t
A daemon is a process that removes itself from the terminal and disconnected, executes, in the background, waiting for requests and responding to them. It may also be described as
Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bo
Explain about interprocess communication The cooperating processes communicate with each other via an interprocess communication facility. IPC gives a mechanism to permit proce
Explain hierarchy level directory
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